Finding the Fourth Proportional to 689,145.10, 1,031,644.05 and 606,201.10
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Solution
The fourth proportional to 689,145.10, 1,031,644.05 and 606,201.10 is: 907,477.62
Step by Step Solution
- Step 1: Write the proportion equation
689,145.10 : 1,031,644.05 = 606,201.10 : x - Step 2: Convert to fraction form
689,145.10/1,031,644.05 = 606,201.10/x - Step 3: Cross multiply
689,145.10x = 1,031,644.05 × 606,201.10 - Step 4: Simplify right side
689,145.10x = 625,383,757,918.46 - Step 5: Solve for x
x = 625,383,757,918.46/689,145.10 - Step 6: Final answer
x = 907,477.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.